JPH101950A - Method for constructing concrete form and concrete form - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a construction method and a form in which a construction work can be safely executed at low cost, in an easy manner and a high degree of quality of work can be achieved, where as a conventional concrete form cannot be stabilized for a long period of time on a sloped ground so that construction work cannot be executed safely at low cost. SOLUTION: An upper cover 5 of a form comprises a metal screen or a sheet-shaped body or the cover 5 is formed by making the metal screen integral with the sheet-shaped body, whereby air in concrete placed in the form is discharged to the outside to achieve a high degree of quality of concrete, or the sheet-shaped body is removed to provided a beautiful external appearance. Further, straight-shaped forms each having a cap-shape and a notch on the side thereof are disposed so as to intersect each other, in a stacked manner, at the intersection of the forms to form a cross-shaped form so that connection at the intersection of forms can be easily made.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a method for constructing a concrete manufacturing frame and a formwork used for the method, and more particularly, to a method for stabilizing a concrete manufacturing frame on a slope ground for a long period of time. TECHNICAL FIELD The present invention relates to a concrete construction method and a formwork that can be performed simply, safely, at low cost, and that can maintain high quality.

[0002]

2. Description of the Related Art As a first construction method in a conventional concrete construction method, there is a construction method in which a concrete product manufactured in a factory is carried into a site and assembled on a slope. There is a method of assembling a wooden or steel formwork into a cup mold at the site of a slope ground and pouring concrete. As a third construction method, assembling two opposing wire meshes at the site and connecting between the wire meshes There is a method of spraying concrete, and one of them is currently used.

Further, the applicant of the present invention intends to put it into practical use by assigning the right relating to Japanese Patent No. 1453127 as the second improved construction method. Also, Japanese Patent No. 173
No. 6741, Patent No. 1737473, Patent No. 1941
Inventions such as No. 060 and Japanese Examined Patent Publication No. 7-88667 are proposed and put into practical use.

[0004] However, it is difficult to construct a slope with an uneven slope or a slope with a curved surface at a curved portion of a road. That is, in the second construction method in which a wooden or steel mold is formed into a cup shape (an open U shape), concrete flows out from the lower surface of the mold, and the cost of the mold processing is increased. There was something.

[0005] As described above, in order to prevent concrete from flowing out from the lower surface of the formwork, a method based on Japanese Patent No. 1453127 was also developed and made effective. The reality is that significant labor savings have not been achieved.

[0006] Other practical methods are also effective in constructing a straight concrete method frame, but in the case of forming a lattice shape, it is expensive to assemble the frame in a slope with a curved surface, and the form is dismantled. However, it was difficult to save labor because the work including the removal work would be done at a high place on the slope.

The method of spraying concrete between the third wire meshes is also disclosed by the present applicant as Japanese Patent No. 965831.
The free frame method according to Japanese Patent No. 990927 and Japanese Patent No. 990927 is widely known. The method frame using this spraying method has a limit in the quality of concrete because the concrete is compacted with compressed air.

That is, since the rebounded concrete is hardened in a porous state due to being sprayed into the formwork, the compressive strength of the concrete is often lowered. Therefore, the designed compressive strength is set low. For example, in the standard specification of Japan Highway Public Corporation, 150 kg / cm ² at 28 days strength, and 120 kg / cm ^{2 according to the} guideline for the construction of slopes issued by the Specific Slope Protection Association.
Is specified. Usually, the compressive strength of concrete is 2
10 kg / cm ² is the average.

Therefore, it is necessary for the concrete method frame to be constructed by the spraying method to have a large cross section which is uneconomical in design as compared with the ordinary pouring concrete method frame.
In addition, the spraying method requires skilled workers for construction, and recently it has become difficult to secure workers.

[0010]

As explained in the prior art, when the slope ground has an uneven shape, a gap is formed between the slope ground and the concrete manufacturing frame in the factory-made concrete manufacturing frame. However, there is a problem that it is difficult to maintain stability over a long period of time because the slope ground is scoured, and maintenance is required.

[0011] In addition, the concrete manufacturing frame manufactured by the factory has a problem that the work is difficult due to its heavy weight and always involves dangerous work.

Further, in the pouring concrete method, a large amount of money is required for assembling and disassembling the form, and
There was a problem in that shotcrete had a problem in quality and was uneconomical in design.

The present invention has been made in view of the above-mentioned circumstances, and can stabilize a concrete manufacturing frame on uneven slopes for a long period of time, and can perform construction work safely and inexpensively. Further, it is an object of the present invention to provide a construction method for a concrete manufacturing frame and a formwork capable of finishing the construction work more easily or with high quality.

Another object of the present invention is to provide a concrete method frame and a formwork for constructing the concrete method frame, which can simplify the installation of the method frame particularly at the intersection of the method frames. Is provided.

[0015]

The invention according to claim 1 for solving the problems of the above-mentioned conventional example is a method for constructing a concrete method frame, wherein two opposing plate-like bodies are connected by a connecting member, The bottom surface between the two plate-like bodies is formed of a flexible sheet-like body, and a reinforcing bar is arranged inside the two plate-like bodies disposed opposite to each other. It is characterized by covering with, and pouring concrete into the inside,
All the members used for construction can be buried and the construction can be done easily and inexpensively. Also, since the top lid of the top surface is a wire mesh, it is possible to release the air in the concrete and it is compacted sufficiently. High quality concrete can be obtained.

According to a second aspect of the present invention, there is provided a method for constructing a concrete manufacturing frame, comprising connecting two opposing plate-like bodies with a connecting member.
The bottom surface between the plate-like bodies is composed of a flexible planar body,
After arranging the reinforcing bars inside the two plate-shaped bodies arranged opposite to each other, the upper surface is covered with a mesh-shaped planar body, and concrete is poured into the inside, and the upper lid of the upper surface is covered. Is a mesh-like sheet, and if the sheet is removed after hardening the concrete, the surface can be made into a concrete having an aesthetic appearance of a mesh pattern.

According to a third aspect of the present invention for solving the above-mentioned problems of the conventional example, in a formwork used in a method for constructing a concrete-made method frame, two plate-shaped members facing each other are made of metal and fiber-reinforced. One of plastic, vinyl chloride plastic, concrete, net, or an integrated net and sheet, and the upper lid that covers the plate is made of net. The feature is that all the members used in the construction can be buried and the construction can be done easily and at a low cost.Because the top lid is a wire mesh, the air in the concrete can be released, and it can be tightened sufficiently. It can be hardened and high quality concrete.

According to a fourth aspect of the present invention, there is provided a mold for use in a method of constructing a concrete manufacturing frame according to the second aspect, wherein two opposing plate-like members are provided. It is made of metal, fiber reinforced plastic, vinyl chloride plastics, concrete, mesh, or a combination of mesh and a sheet, and the upper lid that covers the plate is a sheet. It is characterized in that it is composed of a body, or a net and a planar body integrated, and the top cover is a net-shaped planar body, or the net and the planar body are integrated, so concrete hardening By removing the sheet body later, it is possible to obtain concrete having an aesthetic appearance with a mesh pattern on the surface.

According to a fifth aspect of the invention for solving the problems of the conventional example, in the formwork according to the third or fourth aspect, the net is a wire net or a plastic net. It is characteristic and can be concrete of high quality or aesthetic appearance.

The invention according to claim 6 for solving the above-mentioned problems of the conventional example is the method for constructing a concrete method frame according to claim 1 or 2, wherein a wire mesh or a wire mesh is provided at each intersection of the concrete method frame. It is characterized by arranging a cap-shaped cross-shaped frame with a perforated iron plate that can be buried, and connection at each intersection can be facilitated.

According to a seventh aspect of the present invention, there is provided a method of constructing a concrete manufacturing frame according to the sixth aspect, wherein the cross-shaped form is a cap-shaped cutout formed in a side plate. The cross-shaped cap form is formed by superimposing the linear form forms having the shape, and the cross-form form can be bent around the cutout portion, and can be adapted to the shape of the ground slope.

[0022]

BEST MODE FOR CARRYING OUT THE INVENTION Embodiments of the present invention will be described with reference to the drawings. A method for constructing a concrete manufacturing frame according to an embodiment of the present invention is a method for constructing a concrete frame, comprising two flexible plate-like members connecting the bottom surfaces of two opposite plate-like members, and two parallel plate-like members arranged in parallel. After arranging the connecting members of the reinforcing bars inside the bodies, the upper surface is covered with a lid frame (upper lid) made of mesh nets (wire mesh, expanded metal, plastic) that do not flow out of concrete, and the concrete inside It is a method of constructing a legal framework by pouring.

Further, in the method for constructing a concrete method frame according to another embodiment of the present invention, a cap-shaped cross-shaped frame is arranged and connected at the intersection of the frame, and a straight line-shaped frame is used. A cutout should be provided on a part of the side surface of the formwork with the width of the formwork, and the two cutouts should be installed so that the cutouts overlap each other so that the two linear formwork cross each other (in a cross shape). Thus, a cap-shaped cross-shaped frame is formed. Thereby, the formwork at the intersection of the formwork can be easily formed, and the connecting work of the intersection can be simplified.

Before describing a method of constructing a concrete manufacturing frame according to an embodiment of the present invention, a form used will be described with reference to FIG. FIG. 1 is a schematic explanatory view of a mold according to the embodiment of the present invention. As shown in FIG. 1, the formwork to be used is such that two plate-like bodies 1 are arranged so as to face each other in parallel, and the two plate-like bodies 1 are in contact with the slope ground (plate-like body 1).
The planar body 2 is attached to the bottom surface of the sheet.

The plate-like body 1 is a net such as a metal iron plate, a fiber reinforced plastic (FRP) plate, a vinyl chloride plastic plate, a concrete plate, a wire net or a plastic net. A configured plate, a plate having a structure in which a net and a sheet such as a sheet are integrated is used.

The plate-shaped body 1 is made of metallic concrete or plastic when pouring concrete having high fluidity between two plates or when installing on a steep slope with a slope of 50 ° or more. It is preferable to use a non-perforated plate made of a material such as steel. Also, when pouring concrete with low fluidity or when installing on a gentle slope having a slope of 50 ° or less, it is preferable to use a metal mesh with small mesh or expanded metal.

The planar body 2 attached to the bottom surfaces of the two opposing parallel plates is made up of a sheet or a net having small meshes. Specifically, the sheet-like body 2 is made of nets or sheets having micropores to the extent that the concrete paste oozes out, and the oozing paste causes adhesive force between the slope and the concrete frame. It is supposed to. Alternatively, only a central portion of the planar body 2 may be constituted by a mesh having a large mesh, or a small-diameter hole may be opened in a part of the planar body 2 so that a small amount of concrete flows out into the slope at the bottom. Thus, it is possible to more strongly integrate the concrete manufacturing frame and the slope ground.

Next, a connecting member and a connecting method of the opposing plate-like members 1 will be described with reference to FIG. FIG. 2 shows a plate-shaped body 1.
It is an explanatory view for explaining the connection of. FIG. 2A shows a top view, and FIG. 2B shows a cross-sectional view.
As shown in FIG. 2, a connecting member 3 is provided between the opposing plate-like bodies 1.
Are linked by

As shown in FIG. 2A, the end of the connecting member 3 is attached so as to be rotatable by sliding in the direction of the arrow as shown in FIG. It is. Therefore, the engaging rack 4 is projected on the inner wall of the plate-shaped body 1.

The engaging rack 4 may be constructed such that a part of the plate-shaped body 1 is partially bent in the longitudinal direction, or an L-shaped metal fitting is welded. The connecting member 3 is attached to the engaging shelf 4.
The connecting member 3 is rotatable when the tip of the connecting member 3 bent into an L-shape is inserted into the hole and connected, and the opposing plate-like body 1 is slid. It can be superimposed.

The sheet-like body 2 attached to the bottom surface of the opposing sheet-like body 1 is attached with a sheet shape or nets having a length about twice the distance between the sheet-like bodies 1 facing each other. As a result, the two plate-shaped bodies 1 can be slid and stacked, and can be folded into two thin plate-shaped bodies. If it is manufactured in the factory in such a folded state, it is possible to easily restore the original state by sliding the two plate-like bodies 1 in the assembly work on site, and to save the labor of the work. Moreover, it is possible to save labor for transportation on site.

Further, when the formwork is installed on the slope, the two plate-like bodies 1 connected to each other are separated from each other in the original state and installed on the slope so that the surface 2 can be formed. The formwork of the attached parallel plate-like bodies 1 can be formed on the bottom surface of the ground.

Next, the structure of the upper lid will be described with reference to FIG. FIG. 3 is an explanatory view schematically showing the upper lid,
(A) is a schematic view of a single top lid, (b) is a schematic view in which each part of the top lid of the double wire mesh is separated, (c) is a schematic view of the top lid of the planar body, (d) is a schematic view of the upper lid in which the wire mesh and the planar body are integrated.

As shown in FIG. 3 (a), the upper lid (lid frame) 5 is a wire mesh whose end is bent downward, for example, a wire mesh,
It is constructed using expanded metal, plastic net, and the like. Further, as shown in FIG. 3B, the upper lid may have a structure in which a concrete leak preventing wire net (insect repellent net) 5b is attached to the inside of a reinforcing wire net 5a whose end portion is bent downward. In addition, the upper lid is shown in FIG.
As shown in (c), a sheet-like planar body having a mesh may be used. In addition, as shown in FIG. 3D, the upper lid may be configured such that a planar body having a mesh is attached inside the reinforcing wire mesh 5a.

The upper lid 5 is a lid member for closing the upper surface of the mold installed on the slope, and is bent at its both ends in the longitudinal direction and inserted between the opposing plate-like bodies 1 to form a spring-like engagement. It may be locked with a fitting or both ends may be joined by spot welding. The engagement tool will be described later. The mesh size of the wire mesh should be large enough to prevent concrete from flowing out. In the test, a mesh spacing of about 10 mm or less is suitable, and particularly a mesh spacing of 5 mm or less is suitable for achieving the above object.

Next, the intersection metal fittings of the lattice-shaped concrete manufacturing frame will be described with reference to FIG. FIG. 4 is an explanatory diagram showing an outline of the intersection fitting. The intersection fitting 6 is used at an intersection (intersection) where four sets of two opposing plate-like bodies 1 intersect. As shown in FIG. 4, the intersection metal fitting 6 is a steel plate bent in an L shape, and the intersection metal fitting 6 can follow the shape of the natural ground when the slope ground is deformed. As described above, at the same time as having a trapezoidal shape (tapered shape), the plate-like body 1 has a width that can be adjusted.

Next, a method for constructing a concrete manufacturing frame according to an embodiment of the present invention will be described. First, the installation of a mold made up of two opposing plate-shaped bodies 1 and planar bodies 2 will be described. Two plate-like bodies 1 loaded in a stacked state
Is slid and spread, the planar body 2 is attached to the bottom surface, and the formwork in which the two opposing plate-like bodies 1 are connected by the connecting material 3 is a cup-shaped (open-shaped U-shaped). Formwork,
Place it on the slope ground.

The planar body 2 has a width of about twice the distance between the planar bodies of the planar body 1 and is flexible so that it can freely deform and follow the slope of the slope. The planar body 2 comes into direct contact with the slope ground, and adapts to the uneven shape of the slope ground. In other words, even if there is a gap between the plate-like body 1 and the slope ground, the outflow of concrete after formwork assembly can be stopped by the plane-like body 2. Because the concrete paste oozes out to the slope ground side from a fine grain, it adheres strongly to the slope slope ground.

Next, the required amount of reinforcing bars is placed inside the opposing plate-shaped bodies 1 arranged in parallel. The reinforcing bar is preferably engaged with the connecting member 3 of the plate-like body 1 by a binding wire. Then, the plate-like body 1 or the reinforcing bar is fixed to the slope ground with an anchor.

Next, assembly of the intersection will be described with reference to FIGS. FIG. 5 is an explanatory diagram for explaining the assembly of the intersection, and FIG. 6 is a cross-sectional explanatory diagram at the intersection. As shown in FIG. 5, the intersection metal fitting 6 is attached to the end of the form frame of the plate-shaped body 1 at the intersection point where the form frames made up of four sets of the two plate-shaped bodies 1 and the like facing each other intersect. in this case,
In many cases, the plate-like body 1 is bent at the intersection portion according to the uneven shape of the slope as shown in FIG. However, since the intersection metal fitting 6 has a trapezoidal shape (tapered shape) in which the width of the tip is narrowed, even if the plate-shaped body 1 is not horizontal and is bent, the intersection metal fitting 6 is separated from the plate-shaped body 1. It can be easily attached and connected without protruding.

Since the L-shaped intersection metal fitting 6 attached to the end of the plate-shaped body 1 of the form is bent at about 90 °, one of the bent L-shaped intersection metal fittings 6 is connected to the other end. When the ends of the plate-shaped bodies 1 of the formwork are attached, the opposing plate-shaped bodies 1 bent at 90 ° can be assembled on the slope. Then, by sequentially and repeatedly assembling, it is possible to assemble the molds made of the plate-shaped bodies 1 and the like facing each other in a lattice pattern on the slope.

Further, when the slope has a fan shape, the grid intervals of the form are different. In that case, the stack of the plate-like body 1 and the intersection metal fitting 6 is slid in the direction of the arrow in FIG. It is possible to deal with fan-shaped or deformed slopes with a mold of the same standard length.

Then, the plate-like body 1 and the intersection fitting 6 are
The engagement tool 7 formed by bending the spring-shaped metal shown in FIG. FIG. 7 is an explanatory view showing the outline of the engagement tool 7.

The upper cover 5 is installed in two opposite plate-like bodies 1.
Are assembled in a grid on the slope using the intersection metal fittings 6, and then the nets (wire net, expanded metal, plastic net-like material) are coated on the upper surface of the opposing plate-like body 1.
It should be noted that the concrete pouring opening is partially provided with an opening.

If the slope is often deformed, the plate-like body 1 is naturally deformed according to the shape of the ground. In such a case, a crimp wire mesh (woven wire mesh) or a plastic net is used. When used as a material for the upper lid 5, it can be easily attached because it can cope with deformation. The upper lid 5 is a plate-like body 1 using a spring pin or the like.
Attach to

Another example of the upper lid at the intersection will be described with reference to FIGS. 8 and 9. FIG. 8 is an explanatory view of an upper lid according to another embodiment, and FIG. 9 is a cross-sectional explanatory view in the case of using the upper lid according to another embodiment.

As shown in FIG. 8, the upper lid of this another example is as follows.
Two cap-shaped (open-bottomed U-shaped) linear formwork having a cutout on the side surface are prepared, and these two are superimposed at the cutout so as to form a cross, and a cross-shaped formwork is formed. 8 is formed. The cap-shaped cruciform mold 8 is used as an upper lid and is arranged at the intersection of the molds of FIG. 1. The cruciform mold 8 at the intersection can be easily formed. The connection can be simplified.

Further, even when the connecting portion (intersection) of the formwork of FIG. 1 is bent as shown in FIG. 9 in accordance with the deformation of the slope ground, the cap-shaped cross-shaped formwork 8 is formed. The notch moves in the direction of the arrow so that the notch can be sufficiently adapted to the bent joint portion of the formwork.

Next, the concrete is poured into the upper lid 5
Concrete is poured into the formwork through the opening provided in a part of the. Since the sheet 2 exists between the ground slope and the plate 1, concrete does not flow out. Since the mortar paste slightly oozes out from the surface of the upper lid 5 composed of the wire mesh on the upper surface, ironing is performed after a lapse of time, and the mold is completely filled. Specifically, FIGS. 3A and 3B
In the case of the wire mesh and the double wire mesh shown in FIG.

As the upper lid 5, a sheet-shaped body 5c as shown in FIG. 3 (c) may be used. In this case, after the concrete is hardened, the sheet-like body 5c of the upper lid 5 is cut out with a cutter and removed from the upper surface of the concrete. Also, FIG.
As shown in (d), when a reinforcing mesh 5a and a sheet-like sheet 5c are used in combination as a large mesh of the upper cover 5, the reinforcing mesh 5a is removed.
Further, the planar body 5c is cut out and finished.

As shown in FIGS. 3 (a) and 3 (b), by forming the top lid 5 with wire mesh, the air contained in the concrete is released, and a high quality concrete which is sufficiently compacted is constructed. This makes it possible to check the state of filling the concrete in the formwork.

As shown in FIGS. 3 (c) and 3 (d), when the sheet-like sheet 5c is used alone or the sheet 5c and wire mesh are used in combination, a mesh pattern appears on the surface of the concrete. It has the effect of constructing a concrete method frame that is aesthetically superior.

According to the method for constructing a concrete method frame according to the embodiment of the present invention, the mold and the upper lid of FIGS. 3 (a) and 3 (b) are buried, and the conventional book mold made of copper and the conventional mold made of copper are used. Since it is not necessary to remove it like a formwork, it has the effect of greatly reducing labor and shortening the construction period.Also, the air contained in the concrete is released, and high quality concrete that is sufficiently compacted Has the effect of being able to check the state of concrete filling in the formwork. In addition, in the case of the upper lid of FIG.
Since it is removed, a mesh pattern is reflected on the surface of the concrete, which is effective in constructing a concrete method frame that is aesthetically pleasing.

Further, even in the case of a standardized formwork manufactured in a factory, the planar body 2 adapts to a sloped ground with irregularities and a deformed sloped ground, so that the construction work is facilitated. There is an effect that can be done. Further, since the upper lid 5 has a mesh structure, the concrete can be dried, and a sufficiently compacted high quality concrete method frame can be constructed. Therefore, compared with the sprayed concrete grate, there is an effect that it is structurally possible to make the concrete cross section small and it is economical. Since the concrete slope is closely attached to the unevenness of the slope, it is possible to prevent scouring of the slope, which leads to long-term stability of the slope.

Conventionally, when assembling a cup-shaped formwork on a slope and pouring concrete, concrete flows out from between the formwork and the slope due to unevenness of the slope. It took a lot of money to process the formwork for prevention,
According to the embodiment of the present invention, since the planar body 2 is used on the bottom surface between the planar bodies 1, there is an effect that the outflow of concrete can be easily suppressed with an inexpensive material.

Since the slope to be constructed has various shapes such as irregularities, curved surfaces, trapezoids, and fan shapes, it is difficult to assemble a fixed or fixed-size formwork. Although it was a dangerous work that even a skilled worker took a long time to assemble with, in the case of the formwork of the embodiment of the present invention, it can be assembled to some extent in response to changes in the ground, and Although it is difficult to cope with the change with a strong lid material, the wire mesh according to the embodiment of the present invention has an effect that bending and cutting are easy and a mold can be easily assembled.

By forming the upper cover as a double wire mesh having a reinforcing wire mesh 5a having a high strength and a large mesh and a wire mesh 5b for preventing concrete from leaking out of the mortar with a small mesh (for example, an insect-proof net), This has the effect of suppressing the lateral pressure applied to the concrete formwork and stopping the outflow of concrete.

[0058]

According to the first and third aspects of the present invention, since the upper cover is made of a wire mesh, and each member of the formwork including the wire mesh can be buried and killed, the concrete manufacturing method is performed. It is simple and inexpensive, and since the upper lid of the upper surface is a wire mesh, air in the concrete can be released, and it is possible to obtain sufficiently compacted and high-quality concrete.

According to the second and fourth aspects of the present invention, since the method for constructing a concrete manufacturing frame in which the upper lid is a mesh-like planar body is adopted, if the planar body is removed after the concrete is hardened, the surface will have a mesh pattern. There is an effect that it can be a concrete having an aesthetic appearance.

According to the fifth aspect of the present invention, the nets are formed by using a wire net or a plastic net.
The use of the described formwork has the effect that concrete of high quality or aesthetic appearance can be obtained.

According to the sixth aspect of the present invention, a cap-shaped cross-shaped frame made of a wire mesh or a perforated iron plate that can be buried is disposed at each intersection of the concrete manufacturing frame.
Because it is the construction method of the concrete manufacturing frame described,
This has the effect of facilitating the connection at each intersection.

According to the invention described in claim 7, the method for constructing a concrete method frame according to claim 6, wherein the cross-shaped form is formed by superimposing a straight form having a cap shape and a notch on a side surface. Therefore, the cross-shaped form can be bent around the notch, and there is an effect that it can be adapted to the shape of the slope ground.

[Brief description of the drawings]

FIG. 1 is a schematic explanatory view of a mold according to an embodiment of the present invention.

FIG. 2 is an explanatory diagram for explaining connection of a plate-like body 1;

FIG. 3 is an explanatory view schematically showing an upper lid.

FIG. 4 is an explanatory view schematically showing an intersection fitting.

FIG. 5 is an explanatory diagram for explaining assembly of an intersection.

FIG. 6 is an explanatory cross-sectional view at an intersection.

FIG. 7 is an explanatory view showing the outline of an engagement tool.

FIG. 8 is an explanatory diagram of an upper lid according to another embodiment.

FIG. 9 is an explanatory cross-sectional view when an upper lid according to another embodiment is used.

[Explanation of symbols]

DESCRIPTION OF SYMBOLS 1 ... Plate-like body, 2 ... Plane body, 3 ... Connecting material, 4 ... Engagement shelf, 5 ... Top lid, 5a ... Reinforcing wire mesh, 5b ... Concrete leakage prevention wire mesh, 5c ... Sheet material, 6 ... Intersection Metal fittings, 7 ... engaging part, 8 ... cross-shaped formwork

Claims (7)

[Claims] 1. The two plate-shaped members facing each other are connected by a connecting member, and the bottom surface between the two plate-shaped members is made of a flexible planar member, and the plates are arranged to face each other. A method for constructing a concrete method frame, characterized in that after arranging reinforcing bars inside the two plate-shaped bodies, the upper surface is covered with wire mesh and concrete is poured into the inside. 2. The method according to claim 1, wherein two opposing plate-like members are connected by a connecting member, and a bottom surface between the two plate-like members is formed of a flexible sheet-like member, and the two plates are opposed to each other. A method for constructing a concrete method frame, comprising arranging a reinforcing bar inside a plate-shaped body, covering the upper surface with a mesh-shaped surface body, and pouring concrete into the inside. 3. The two opposing plate-like bodies used in the method for constructing a concrete manufacturing frame according to claim 1 are any of metal, fiber reinforced plastic, vinyl chloride plastics, concrete, and nets. Or an upper cover for covering the plate-like body, wherein the upper cover is made of a net. 4. The two opposing plate-like bodies used in the method for constructing a concrete manufacturing frame according to claim 2 are any of metal, fiber-reinforced plastic, vinyl chloride plastics, concrete, and nets. Or, it is configured by integrating the net and the planar body, and the upper lid that covers the plate-shaped body is configured by integrating the planar or the net and the planar body. And formwork. 5. The formwork according to claim 3, wherein the nets are wire nets or plastic nets. 6. The concrete according to claim 1 or 2, wherein a cap-shaped cruciform frame made of a wire mesh or a perforated iron plate capable of being buried is arranged at each intersection of the concrete manufacturing frame. Construction method of manufacturing frame. 7. The cruciform mold according to claim 6, wherein the cruciform mold is a cruciform cap-type mold formed by superposing a linear mold having a notch in a side plate with a cap shape. Construction method of concrete frame.